I can't upgrade my ZTE Open to 1.2 or 1.1 using their instructions.
I recently bought a ZTE Open off of eBay in the US. I'm currently working on building an app for the phone.
I need to upgrade to 1.2 to use the Firefox emulator that comes with FF nightlies now and test out this app on a real device. It's currently running OPEN_US_DEV_FFOS_V1.0.0B01
I've tried the Fastboot method, but... *sigh* this is one of the broken versions so that's out. The recommendation from Mozilla is to upgrade via the SD method with the image provided by ZTE on their site.
I went out and bought an SD card to do this (!) and have tried all of the .zip files and followed the instructions from ZTE (and the Mozilla Hacks blog). I've tried a ton of different things and read all the comments... but...
Frustratingly, it keeps saying "E:Signature verification failed" and won't flash when using the SD card installation in the recovery menu thingy. The thing is... the files are fine! I can select it... I'm 99% sure I'm not being an idiot. I've tried the 1.2 images as well. Nothing will verify! Nothing! :(
The phone boots up fine afterwards and I come back and try and do more googling.
Help! All I want to do is support this new OS, but... man, I've put about 5 hours of time into this so far... just the phone!
Additional System Details
- User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.107 Safari/537.36
Sorry for the delayed reply. Thanks for using and supporting Firefox OS with your new app!
I found a similar thread on stackoverflow related to the fastboot not working that suggested to do adb devices and adb reboot bootloader before using any of the fastboot functions. Not sure if that will help you if you have one of the first ZTE Opens though.
I don't think you are alone in this signature verification failed issue at all, do not feel like an idiot, we have asked ZTE to loosen the keys on the files because of this problem for several months (I will ping my contact on our side about this again to see about it).
Here is the stackoverflow in case it is helpful: http://stackoverflow.com/questions/tagged/firefox-os
Regards, Michelle Luna Firefox OS Support Manager, Mozilla